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Change Repository Check For Availability of Proprietary Hardware Drivers Install Codec for Playing Music and Movie Install Any Package who You Need such as : Netbeans, Google Chrome, Gimp and Inkscape etc

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Repository Collection of various applications on the internet, are collected into a single, packaged in the media including software applications, games, multimedia, internet, office, themes. Example : http://singo.ub.ac.id/ http://repo.ugm.ac.id/ http://kambing.ui.ac.id/http://singo.ub.ac.id/http://repo.ugm.ac.id/http://kambing.ui.ac.id/

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Install Codec For Music and Video (Terminal Version) Open Terminal Type following command into Terminal $ sudo apt-get update Type following command into Terminal $ sudo apt-get install ubuntu-restricted-extras If Done, Now try Play your Music and Video.

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Install Codec For Music and Video (GUI Version) Play your Music or Video If Messages dialog for Search Codec appear Click button Search. Wait until Instalation Package Done Try Again for playing your Music or Video.